# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1479907617 -3600
# Node ID 575d530042c608f976bbd93d531afb8ef8c1ec97
# Parent  25d512835fadc00e03e846804bcd56bd7667fab3
Prevent iteration over strings. Added a docstring to NoneType.

diff -r 25d512835fad -r 575d530042c6 lib/__builtins__/none.py
--- a/lib/__builtins__/none.py	Wed Nov 23 14:26:17 2016 +0100
+++ b/lib/__builtins__/none.py	Wed Nov 23 14:26:57 2016 +0100
@@ -20,6 +20,9 @@
 """
 
 class NoneType:
+
+    "The type of the None object."
+
     def __bool__(self):
 
         "None is always false."
diff -r 25d512835fad -r 575d530042c6 lib/__builtins__/str.py
--- a/lib/__builtins__/str.py	Wed Nov 23 14:26:17 2016 +0100
+++ b/lib/__builtins__/str.py	Wed Nov 23 14:26:57 2016 +0100
@@ -96,12 +96,6 @@
     def strip(self, chars=None): pass
     def upper(self): pass
 
-    def __iter__(self):
-
-        "Return an iterator."
-
-        return listiterator(self)
-
 class string(basestring):
     pass